Quick answers
- Does Kassondra M. Mellen accept Medicare assignment?
- Yes. Medicare's clinician data says Kassondra M. Mellen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Kassondra M. Mellen see?
- In 2024, CMS data shows 257 Original Medicare patients and 2,329 services for Kassondra M. Mellen. This counts Original Medicare only and measures volume, not quality.
- What is Kassondra M. Mellen's NPI number?
- 1245418839. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Kassondra M. Mellen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 257 |
|---|---|
| Services billed to Medicare | 2,329 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 85 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)1,383 services
- Advance care planning, first 30 minutes (99497)233 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)195 services
- Assessment of and care planning for patient with impaired thought processing, typically 60 minutes (99483)145 services
- Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service) (G0506)140 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- Alzheimer's disease or dementia69%
- High cholesterol61%
- Anxiety60%
- Depression43%
- Arthritis40%
Practice locations
Addresses where Kassondra M. Mellen is enrolled with Medicare (CMS data updated October 2, 2026).
- 7227 E Baseline Rd, Suite 126Mesa, AZ 85209 (480) 868‑9650
Group practices
Medicare enrollment lists Kassondra M. Mellen as a member of these groups (CMS data updated October 2, 2026).
- Atlas Medical Aco LLC52 clinicians in the group
- Century Care Inc52 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Mesa
Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.
Other clinicians in Atlas Medical Aco LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245418839 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians